Few mainstream hot hatches have tugged as many heartstrings in the last decade or so than the Subaru WRX. From its turbocharged four-cylinder heart to the traction of its all-wheel-drive footprint, Rex has been the benchmark by which others are judged since its debut in the States as a 2002 model. Suffice it to say that the next WRX, due in 2014, has mighty big shoes to fill.